PLATE LV. 



Deltocephalus costalis. (Page 70.) 



Fig. 1. — Imago, from Mr. Edwards' collection. 



Fig. 1 a and Fig. 1 h. — Side view of the py gofer and 

 the style, after Fieber. 



Fig. 4. — The profile view of the pygofer of D. 

 pimctum, here placed for comparison with D. costalis. 



Thamnotettix cruentata. (Page 75.) 



Fig. 2. — Imago with expanded elytra. 

 Fig. 2a. — Tarsal joints of the hind foot ; each joint 

 is finely spm'red. 



Fig. 2 h. — Antenna of the same. 



Thamnotettix prasina. (Page 75.) 



Fig. 3. — Imago showing the long genital plates of 

 the male. 



Fig. 3rt. — Two elytra from the same insect. The 

 neuration differs on each side. 



Fig. 3 h. — Profile view of the curious organs of the 

 pygofer. The figure shows the cauda, the oedeagus, 

 and the infra-lateral processes. 



Fig. 3 c. — The genital plates of the male seen from 

 below. 



